wheelchair features

Question 1

pneumatic

Answer 1

of or containing gases/ air

Question 2

if wc is permanent, chair should have:

Answer 2

max function, comfort, stability, safety, and protection of body structures

Question 3

what components should be taken into consideration when selecting type of wheelchair

Answer 3

disability, functional ability, size, weight, and functional needs or activites, expected use of chiar, and prognosis for change in the patients condition, mental/physical condition, capacity of patient, age

Question 4

when in proper fit important?

Answer 4

patient has decreased sensory awareness,, limited ability to alter a position, decreased subcutaneous soft tissue (over bony prominence), impaired peripheral circulation in LE, abnormal skin integrity, or if chair is needed for extended periods.

Question 5

standard adult wheelchair

Answer 5

less than 200 lbs. limited use on rough surface

Question 6

heavy duty adult wheelchair

Answer 6

more than 200 lbs. or those who perform vigorous activites

Question 7

intermediate/ junior

Answer 7

smaller than adult, larger than child

Question 8

growing

Answer 8

permit adjustments in the frame to accommodate growth of user

Question 9

child/ youth

Answer 9

persons up to age 6

Question 10

indoor

Answer 10

large drive wheels at front of chair
caster wheels at back
functions in confined areas
difficult to propel or for the user to perform many functional activities

Question 11

hemiplegic

Answer 11

seat is lowered app. 2 in to better use of LE to propel

lower seat makes standing transfer hard

Question 12

amputee*

Answer 12

rear wheel axles are positioned app. 2 post. to normal to widen base of support & compensate for loss of the weight of the users LE

Question 13

one hand drive

Answer 13

2 handrims on 1 drivewheel, 2 drivewheels connected by linkage bar
smaller handrim propels the near drive wheel
large handrim propels the far drive wheel
if both rims move simultaneously- wheels propelled

Question 14

externally powered

Answer 14

deep-cycle battery system, various types of control to operate the chair (joystick, chin piece, mouth stick)

Question 15

sports

Answer 15

low profile, low back, canted rear wheels, small hand rims, adjustable axles
used for various sports

Question 16

reclining

Answer 16

used for persons who need partially or fully recline at some time while in the chair– may be semi or full
semi- 30 degree
fully- all the way to horizontal
reclining must have leg rest and headrests

Question 17

seat height

Answer 17

heel to popliteal fold, add 2 in to allow clearance of footrest 19.5 to 20.5

Question 18

seat depth

Answer 18

post. butt, along lateral thigh, to popliteal fold, the subtract 2 in to avoid pressure from the front edge of seat against popliteal space– 16 in

Question 19

seat width

Answer 19

widest part of butt, hip or thigh and add 2 in– 18 in

Question 20

back height

Answer 20

seat of the chair to the floor of the axilla with users shoulders flexed to 90 degree and then subtract 4 in.
allows for final back height to be below inferior angle of scapula– 16-16,5 in

Question 21

armrest height

Answer 21

seat of chair to olecranon process with elbow flexed to 90 degrees and then add approximately 1 in. – 9 in above chair seat

Question 22

fit confirmation seat height & leg length

Answer 22

hand parallel to floor, insert 2 or 3 fingers lengthwise between post area of patients thigh and seat upholstery to about 2 in deep
foot plate should be 2 in off floor

Question 23

seat depth

Answer 23

hand parallel to floor, width of 3/4 fingers between edge of seat and popliteal fold

Question 24

seat width

Answer 24

with your hands vertical to floor, you should be able to place the width of four fingers between the top of back upholstery and floor of the axilla

Question 25

back height

Answer 25

with your hand vertical to the floor, you should be able to place the width of four fingers between the top of the back upholstery and the floor of the axilla

Question 26

armrest height

Answer 26

observe angle of posterior upper arm and back post when the elbows rest on armrest approx. 4 in in front of the back post. position of shoulders should be level, trunk should be erect.

Question 27

adverse effects of improper fit

Answer 27

seat height- bad trunk support, transfer difficulties
seat depth- BOS reduced, increased pressure on ischial tuberosity’s, decrease trunk stability
seat
back height- cant propel chair forward, irritate inferior angle, too low- decreased stability
leg length to low- increase pressure to post thigh distal, to high increase pressure of ischial tuberosity’s.

Question 28

which ascent of curb in wheel chair is easiest to use

Answer 28

forward, caster wheels up first– provides greatest control of chair and requires least effort by caregiver.

Question 29

ascending curb backwards

Answer 29

pull rear wheels, then begin 90 degree turn for caster wheels to come up.. more difficult since u must pull the chair up

Question 30

how should you descend curb?

Answer 30

backwards, pull rear wheels, use thigh against back of chair to slowly lower, begin 90 degrees, keep reclined until caster wheels clear curb.– easiest, more control